HYB: reselects and crosses
- To: Iris Talk List
- Subject: HYB: reselects and crosses
- From: C* S*
- Date: Wed, 10 May 2000 14:06:59 -0700
This past weekend I was at the garden of a well-known hybridizer. In
touring we saw a seedling which had a form improvement for the color
class(black) but seemed to lack vigor and exhibited poor bud count/missing
bottom branch. I am curious as to what approach breeders prefer (and the
relative merits of each) when trying to improve on such a situation. These
are what come to mind, in random order:
1) Repeat the original cross.
2) Outcross to 'unrelated' iris in same color with better vigor/branching.
3) Backcross to original parent(s) with better vigor/branching.
4) Intercross with another sibling that shows best form/color with
vigor/branching.
5) Cross with best available iris (in color) with some similarity in
parentage.
6) Compost this before you waste too much time/effort.
I have gotten the idea that lack of vigor etc. can be caused by
'inbreeding' and only outcrossing can cure this ?
Chad Schroter
Los Gatos CA Zone 9
still got bloom !!!!
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